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In-s [12.5K]
3 years ago
12

Determine the deflection at the center of the beam. Express your answer in terms of some or all of the variables LLL, EEE, III,

and M0M0M_0. Enter positive value if the deflection is upward and negative value if the deflection is downward.

Engineering
1 answer:
Rom4ik [11]3 years ago
4 0

Answer:

See explanations for step by step procedures to get answer.

Explanation:

Given that;

Determine the deflection at the center of the beam. Express your answer in terms of some or all of the variables LLL, EEE, III, and M0M0M_0. Enter positive value if the deflection is upward and negative value if the deflection is downward.

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The water in a 25-m-deep reservoir is kept inside by a 140-m-wide wall whose cross section is an equilateral triangle as shown i
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Answer:  (a) 9.00 Mega Newtons or 9.00 * 10^6 N

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Po/\rho g sin60 = 100000/1000 * 9.81* sin(60) = 11.77 m \\ \\

From the second image attached the distance of the pressure center from the free surface of the water along the surface of the wall is given by:

Yp = s+\frac{b}{2} +\frac{b^2}{s+\frac{b}{2}+Po/\rho g sin60}= 0+\frac{28.87}{2} +\frac{28.87^2}{0+\frac{28.87}{2}+100000 /1000 *9.81 sin60} = 17.1 m

Substituting the values gives us the the distance of the surface to be equal to = 17.1 m

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